- Metal Front Panel
- 180W+180W High Output Power
- Use Japan (TOSHIBA) Genuine Power Transistor
- USB/SD Card Slot Support Mp3 Audio Files
- Echo and MIC Multiple Function 
- Low Magnetic-Leakage,High Efficiency EL Transformer
- Tunnel style HEAT SINK with Electrical Fan Cooling
- Signal-To-Noise: ≥80dB
- Load Impedance:4~16Ω
- Frequency Response:20Hz~20KHz
- Max Input Signal:5Vp-p